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Re: st: Data management, years of schooling


From   Ronnie Babigumira <[email protected]>
To   [email protected]
Subject   Re: st: Data management, years of schooling
Date   Wed, 04 Feb 2009 11:29:59 +0100

Many thanks Joseph and Svend. Just what I needed.

Ronnie

Svend Juul wrote:
Ronnie Babigumira wrote:
I have an interesting data management problem. My data look like this
hhid hi_educ
1 11
2 21
3 17
4 16
5 24
6 31
7 32
8 13
9 22

Where hi_educ is the highest level of education for household. From this I would like to extract the number of years of schooling. Now, for values below 17, the years of schooling is the last digit
for values between 21 and 24, it is 7 + the last digit
for values between 31 and 35 it is 11 + the last digit
What I would like to end up with is something like this hhid hi_educ years
1 11 1
2 21 8
3 17 7
4 16 6
5 24 11
6 31 12
7 32 13
8 13 3
9 22 9
============================================================== Joseph Coveney gave a couple of suggestions. Here is a third
suggestion:
. generate years = mod(hi_educ,10)
    . replace years = years+7 if hi_educ>20 & hi_educ<25
    . replace years = years+11 if hi_educ>30 & hi_educ<36
. list, clean hhid hi_educ years 1. 1 11 1 2. 2 21 8 3. 3 17 7 4. 4 16 6 5. 5 24 11 6. 6 31 12 7. 7 32 13 8. 8 13 3 9. 9 22 9 It may look clumsier, but I believe it has the advantage to
be more transparent, especially to the less experienced user.
Svend ________________________________________________________ Svend Juul
Institut for Folkesundhed, Afdeling for Epidemiologi
(Institute of Public Health, Department of Epidemiology)
Bartholins Allé 2
DK-8000 Aarhus C, Denmark Phone, work: +45 8942 6090 Phone, home: +45 8693 7796 Fax: +45 8613 1580 E-mail: [email protected] _________________________________________________________
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